81990235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{16349}}^1$

素因数の和:16430

約数の個数: 16

約数和(自身を含む): 105948000

約数和(自身を除く): 23957765

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 16349, 81745, 277933, 964591, 1389665, 4822955, 16398047, 81990235]

約数ペア:

[(1, 81990235), (5, 16398047), (17, 4822955), (59, 1389665), (85, 964591), (295, 277933), (1003, 81745), (5015, 16349)]